ICD-10 CM Code T21.4
T21.4
Corrosion of unspecified degree of trunk
- T21.40 Corrosion of unspecified degree of trunk, unspecified site
- T21.41 Corrosion of unspecified degree of chest wall
- T21.42 Corrosion of unspecified degree of abdominal wall
- T21.43 Corrosion of unspecified degree of upper back
- T21.44 Corrosion of unspecified degree of lower back
- T21.45 Corrosion of unspecified degree of buttock
- T21.46 Corrosion of unspecified degree of male genital region
- T21.47 Corrosion of unspecified degree of female genital region
- T21.49 Corrosion of unspecified degree of other site of trunk
Includes
- burns and corrosion of hip region
Excludes Type 2
- burns and corrosion of axilla (T22.- with fifth character 4)
- burns and corrosion of scapular region (T22.- with fifth character 6)
- burns and corrosion of shoulder (T22.- with fifth character 5)
7th Character
- The appropriate 7th character is to be added to each code from category T21
- A - initial encounter
- D - subsequent encounter
- S - sequela
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